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Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands
Anthropogenic global warming, nitrogen addition, and overgrazing alter plant communities and threaten plant biodiversity, potentially impacting community productivity, especially in sensitive mountain grassland ecosystems. However, it still remains unknown whether the relationship between plant biod...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6206177/ https://www.ncbi.nlm.nih.gov/pubmed/30397450 http://dx.doi.org/10.1002/ece3.4483 |
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author | Liu, Jiajia Liu, Detuan Xu, Kun Gao, Lian‐ming Ge, Xue‐jun Burgess, Kevin S. Cadotte, Marc W. |
author_facet | Liu, Jiajia Liu, Detuan Xu, Kun Gao, Lian‐ming Ge, Xue‐jun Burgess, Kevin S. Cadotte, Marc W. |
author_sort | Liu, Jiajia |
collection | PubMed |
description | Anthropogenic global warming, nitrogen addition, and overgrazing alter plant communities and threaten plant biodiversity, potentially impacting community productivity, especially in sensitive mountain grassland ecosystems. However, it still remains unknown whether the relationship between plant biodiversity and community productivity varies across different anthropogenic influences, and especially how changes in multiple biodiversity facets drive these impacts on productivity. Here, we measured different facets of biodiversity including functional and phylogenetic richness and evenness in mountain grasslands along an environmental gradient of elevation in Yulong Mountain, Yunnan, China. We combined biodiversity metrics in a series of linear mixed‐effect models to determine the most parsimonious predictors for productivity, which was estimated by aboveground biomass in community. We examined how biodiversity–productivity relationships were affected by experimental warming, nitrogen addition, and livestock‐grazing. Species richness, phylogenetic diversity, and single functional traits (leaf nitrogen content, mg/g) represented the most parsimonious combination in these scenarios, supporting a consensus that single‐biodiversity metrics alone cannot fully explain ecosystem function. The biodiversity–productivity relationships were positive and strong, but the effects of treatment on biodiversity–productivity relationship were negligible. Our findings indicate that the strong biodiversity–productivity relationships are consistent in various anthropogenic drivers of environmental change. |
format | Online Article Text |
id | pubmed-6206177 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-62061772018-11-05 Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands Liu, Jiajia Liu, Detuan Xu, Kun Gao, Lian‐ming Ge, Xue‐jun Burgess, Kevin S. Cadotte, Marc W. Ecol Evol Original Research Anthropogenic global warming, nitrogen addition, and overgrazing alter plant communities and threaten plant biodiversity, potentially impacting community productivity, especially in sensitive mountain grassland ecosystems. However, it still remains unknown whether the relationship between plant biodiversity and community productivity varies across different anthropogenic influences, and especially how changes in multiple biodiversity facets drive these impacts on productivity. Here, we measured different facets of biodiversity including functional and phylogenetic richness and evenness in mountain grasslands along an environmental gradient of elevation in Yulong Mountain, Yunnan, China. We combined biodiversity metrics in a series of linear mixed‐effect models to determine the most parsimonious predictors for productivity, which was estimated by aboveground biomass in community. We examined how biodiversity–productivity relationships were affected by experimental warming, nitrogen addition, and livestock‐grazing. Species richness, phylogenetic diversity, and single functional traits (leaf nitrogen content, mg/g) represented the most parsimonious combination in these scenarios, supporting a consensus that single‐biodiversity metrics alone cannot fully explain ecosystem function. The biodiversity–productivity relationships were positive and strong, but the effects of treatment on biodiversity–productivity relationship were negligible. Our findings indicate that the strong biodiversity–productivity relationships are consistent in various anthropogenic drivers of environmental change. John Wiley and Sons Inc. 2018-09-05 /pmc/articles/PMC6206177/ /pubmed/30397450 http://dx.doi.org/10.1002/ece3.4483 Text en © 2018 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Research Liu, Jiajia Liu, Detuan Xu, Kun Gao, Lian‐ming Ge, Xue‐jun Burgess, Kevin S. Cadotte, Marc W. Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title | Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title_full | Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title_fullStr | Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title_full_unstemmed | Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title_short | Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
title_sort | biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6206177/ https://www.ncbi.nlm.nih.gov/pubmed/30397450 http://dx.doi.org/10.1002/ece3.4483 |
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